*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-navy-deep);
  overflow-x: hidden;
}

#invitation {
  font-size: clamp(1rem, 2.6cqw, 1.1rem);
}

/* The design is mobile-portrait (Figma source: 1235 wide). Constrain the
   invitation card to a phone-like column on any wider viewport, so the
   curtain framing and section layouts keep their intended proportions.
   #curtain is intentionally NOT in this rule — it must stay
   position:fixed inset:0 to cover the full viewport as a landing. */
#invitation,
.loading {
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
  background-color: var(--color-cream);
  position: relative;
  container-type: inline-size;
  container-name: card;
}

h1, h2, h3 {
  font-family: var(--font-script);
  font-weight: 400;
  font-style: normal;
  line-height: 1.1;
  color: var(--color-navy);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

section {
  position: relative;
  padding: var(--section-pad-block) var(--section-pad-inline);
  text-align: center;
}

section > * {
  max-width: var(--page-max);
  margin-left: auto;
  margin-right: auto;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

.mute-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
  background: var(--color-navy);
  color: var(--color-cream);
  border: none;
  border-radius: 50%;
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mute-toggle.visible {
  opacity: 0.85;
  pointer-events: auto;
}

[data-fade-in] {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-fade-in].visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--color-medium-blue);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: var(--font-script);
  font-style: italic;
  color: var(--color-navy);
}
.loading[hidden] { display: none; }
.loading__spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--color-light-blue);
  border-top-color: var(--color-navy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
}
.error-message__retry {
  margin-top: 1.5rem;
  padding: 0.75rem 2rem;
  background: var(--color-navy);
  color: var(--color-cream);
  border: none;
  border-radius: 999px;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}